Final answer:
To compare the numbers 938.515, 938.55, a and b, we use the greater than (>), less than (<), or equal to (=) symbols. The number 938.515 is less than 938.55, so the correct answer is c) 938.515 < 938.55.
Step-by-step explanation:
Comparing Numbers:
To compare the numbers 938.515, 938.55, a and b, we can use the greater than (>), less than (<), or equal to (=) symbols.
The number 938.515 is less than 938.55, so we can write this comparison as 938.515 < 938.55.
Therefore, the correct answer is c) 938.515 < 938.55.